pacification n. + Add to list US //ˌpæsəfəˈkeɪʃən// UK //pˌæsɪfɪkˈeɪʃən// paci·fi·ca·tion SynonymsEtymology Synonyms counterinsurgencymollificationpeaceOriginOFRpacification→MEpacificacion→ENpacification From Middle English pacificacion, from Old French pacification.